package com.nine.mymall.product.exception;

import com.nine.common.exception.BizCodeEnum;
import com.nine.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 *
 * 集中处理所有异常
 *
 * @author: duonine
 * @date: 2021/9/7
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.nine.mymall.product.controller")
@RestControllerAdvice(basePackages = "com.nine.mymall.product.controller")
public class MyMallExceptionControllerAdvice {

    /**
     * 参数非法（校验参数）异常 MethodArgumentNotValidException
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){

        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(), e.getClass());
        Map<String, String> errorMap = new HashMap<>();
        BindingResult result = e.getBindingResult();

        result.getFieldErrors().forEach((fieldError)->{
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });

        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMessage()).put("data", errorMap);
    }


    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){

        log.error("错误异常{}",throwable);

        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
    }


}
